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Include alloca.h unconditionally

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Since gnulib alloca module was imported, we can include alloca.h in
both gdb and gdbserver unconditionally, so this patch adds inclusion
of alloca.h in common-defs.h.  This patch also removes AC_FUNC_ALLOCA
in configure.ac because we don't need to check alloca any more.

This patch below is removed in fact.

  [RFA/commit] include alloca.h if available.
  https://www.sourceware.org/ml/gdb-patches/2010-08/msg00566.html

Since alloca.h is from gnulib now, we don't have to check malloc.h in
configure and include malloc.h in code.  This patch also remove them
too.

gdb:

2014-11-21  Yao Qi  <yao@codesourcery.com>

	* common/common-defs.h: Include alloca.h
	* configure.ac: Don't invoke AC_FUNC_ALLOCA.
	* configure: Re-generated.
	* defs.h: Remove code handling alloca.
	* utils.c (gdb_realpath): Don't check HAVE_ALLOCA is defined
	or not.

gdb/gdbserver:

2014-11-21  Yao Qi  <yao@codesourcery.com>

	* configure.ac: Don't invoke AC_FUNC_ALLOCA.
	(AC_CHECK_HEADERS): Remove malloc.h.
	* configure: Re-generated.
	* config.in: Re-generated.
	* server.h: Don't include alloca.h and malloc.h.
	* gdbreplay.c: Don't check HAVE_ALLOCA_H is defined.
	Don't include malloc.h.
This commit is contained in:
Yao Qi 2014-11-21 22:05:41 +08:00
parent 00d7f58fd4
commit 9c232dda88
12 changed files with 26 additions and 426 deletions
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2
gdb/utils.c
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@ -2913,7 +2913,7 @@ gdb_realpath (const char *filename)
pathconf()) making it impossible to pass a correctly sized buffer
to realpath() (it could always overflow). On those systems, we
skip this. */
#if defined (HAVE_REALPATH) && defined (_PC_PATH_MAX) && defined(HAVE_ALLOCA)
#if defined (HAVE_REALPATH) && defined (_PC_PATH_MAX)
{
/* Find out the max path size. */
long path_max = pathconf ("/", _PC_PATH_MAX);